Chapter 20: Problem 37

Compare the advantages and disadvantages of DNA fingerprinting compared with literal fingerprints as a forensic tool.

Short Answer

Expert verified

Both DNA fingerprinting and literal fingerprinting have unique advantages and disadvantages. While DNA fingerprinting boasts high accuracy and sample diversity, it requires sophisticated systems and raises privacy issues. Literal fingerprinting, fast and easy, is restricted by the quality of prints and to certain body parts.

Step by step solution

Define DNA Fingerprinting and Literal Fingerprinting

DNA Fingerprinting involves identifying the unique patterns in an individual's DNA through various techniques. It is a form of genetic identification. Literal Fingerprinting implies the use of the unique patterns found on the tip of each individual's fingers for identification purposes.

Identify Advantages of DNA Fingerprinting

1. It provides a high degree of accuracy, making it highly unlikely for two individuals to share the same DNA fingerprint. 2. DNA samples can be retrieved from various sources - hair, skin cells, blood, etc.

Identify Disadvantages of DNA Fingerprinting

1. Requires sophisticated equipment and skilled personnel. 2. Potential for contamination of DNA samples 3. Ethical and privacy concerns around storage and use of genetic information.

Identify Advantages of Literal Fingerprinting

1. Quick and easy process. 2. No advanced equipment needed. 3. Widely accepted and standardized method for identification in forensics.

Identify Disadvantages of Literal Fingerprinting

1. Can be easily smudged or degraded. 2. Requires a clear print for accurate identification. 3. Limited to areas of body that leave fingerprints.

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Compare the advantages and disadvantages of DNA fingerprinting compared with literal fingerprints as a forensic tool.

Short Answer

Step by step solution

Define DNA Fingerprinting and Literal Fingerprinting

Identify Advantages of DNA Fingerprinting

Identify Disadvantages of DNA Fingerprinting

Identify Advantages of Literal Fingerprinting

Identify Disadvantages of Literal Fingerprinting

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